Question 1

50 = ________?

Accepted Answer

A) 5 
B) 0 
C) undefined 
D) 1 
E) 1/5 
A) 5 
B) 0 
C) undefined 
D) 1 
E) 1/5 D

Question 2

Consider a single-server queuing system. If the arrival rate is 45 customers per hour and it takes 1 minute on average to serve a customer, what is the average waiting time in the waiting line in minutes?

Accepted Answer

A) 3 
B) 0.05 
C) 4 
D) 1.02 
E) F1F1F1S1F1F1F101.02 
A) 3 
B) 0.05 
C) 4 
D) 1.02 
E) F1F1F1S1F1F1F101.02 A

Question 3

Which of the following is least likely to be considered an infinite customer population?

Accepted Answer

A) customers in an amusement park 
B) a class of 500 students who might visit their professor during office hours 
C) customers in a grocery store 
D) cars taking Exit 76 off of a freeway during rush hour 
E) fast food restaurant employees waiting to use the restroom 
A) customers in an amusement park 
B) a class of 500 students who might visit their professor during office hours 
C) customers in a grocery store 
D) cars taking Exit 76 off of a freeway during rush hour 
E) fast food restaurant employees waiting to use the restroom E

Question 4

Which of the following waiting line systems best describes a drive-through service at a fast-food restaurant, where the order is placed at the first service point, the order is paid for at the second service point, and the food is picked up at the third service point?

Accepted Answer

A) single-server, single-phase 
B) single-server, multi-phase 
C) multi-server, single-line, single-phase 
D) multi-server, multi-line, single-phase 
E) multi-server, multi-phase 
A) single-server, single-phase 
B) single-server, multi-phase 
C) multi-server, single-line, single-phase 
D) multi-server, multi-line, single-phase 
E) multi-server, multi-phase

Question 5

What are some variations of the mathematical waiting line models that are not described in Supplement C?

Accepted Answer

finite queue length,

Question 6

Which of the following is not considered to be a valid performance measure of a waiting line system?

Accepted Answer

A) the average number of customers waiting in line 
B) the average number of customers in the system 
C) the service system 
D) the average amount of time customers spend waiting 
E) the system utilization rate 
A) the average number of customers waiting in line 
B) the average number of customers in the system 
C) the service system 
D) the average amount of time customers spend waiting 
E) the system utilization rate

Question 7

Identify the three assumptions the textbook uses for the single-line, multi-server, single-phase model.

Accepted Answer

There are identical servers, t

Question 8

A customer population is called finite when the number of potential new customers is not affected by the number of customers already in the system.

Accepted Answer

A) True 
 B)False

Question 9

Why do larger-scale waiting line systems use discrete-event simulation?

Accepted Answer

As waiting line systems become more comp

Question 10

Waiting line models __________ ________ specifies the average number of customers per time period.

Accepted Answer

The answer of Waiting line models __________ ________ specifies the...

Question 11

Which of the following is not an assumption of the waiting line models presented in the textbook?

Accepted Answer

A) balking is not allowed 
B) reneging is not allowed 
C) jockeying is allowed 
D) customer arrival rate is described by a Poisson distribution 
E) service times are described by an exponential distribution 
A) balking is not allowed 
B) reneging is not allowed 
C) jockeying is allowed 
D) customer arrival rate is described by a Poisson distribution 
E) service times are described by an exponential distribution

Question 12

Which of the following is not an assumption of the waiting line models presented in the textbook?

Accepted Answer

A) balking is allowed 
B) reneging is not allowed 
C) jockeying is not allowed 
D) customer arrival rate is described by a Poisson distribution 
E) service times are described by an exponential distribution 
A) balking is allowed 
B) reneging is not allowed 
C) jockeying is not allowed 
D) customer arrival rate is described by a Poisson distribution 
E) service times are described by an exponential distribution

Question 13

From an operations view point, single-phase systems operators must:

Accepted Answer

A) have greater skills 
B) adjust their work schedules 
C) be capable of multi-tasking customers 
D) be unionized 
E) be competitive 
A) have greater skills 
B) adjust their work schedules 
C) be capable of multi-tasking customers 
D) be unionized 
E) be competitive

Question 14

Which of the following is not considered to be an element of a waiting line system?

Accepted Answer

A) the priorities used for controlling the line 
B) the customer population source 
C) the service system 
D) the arrival and service patterns 
E) the average amount of time customers spend waiting 
A) the priorities used for controlling the line 
B) the customer population source 
C) the service system 
D) the arrival and service patterns 
E) the average amount of time customers spend waiting

Question 15

Which of the following is least likely to be considered an infinite customer population?

Accepted Answer

A) subassemblies in a just-in-time manufacturing environment 
B) customers in an amusement park 
C) a class of 500 students who might visit their professor during office hours 
D) customers in a grocery store 
E) cars taking Exit 76 off of a freeway during rush hour 
A) subassemblies in a just-in-time manufacturing environment 
B) customers in an amusement park 
C) a class of 500 students who might visit their professor during office hours 
D) customers in a grocery store 
E) cars taking Exit 76 off of a freeway during rush hour

Question 16

Changing from a multi-line model to a single-line model is most appropriate when the company is concerned about fairness for its customers.

Accepted Answer

A) True 
 B)False

Question 17

Customers walk into a bank at an average rate of 20 per hour. On average, there are 5 people waiting in line to be served. How long does the average customer wait in line?

Accepted Answer

A) 15 minutes 
B) 0.25 minutes 
C) 4 minutes 
D) 3 minutes 
E) 8 minutes 
A) 15 minutes 
B) 0.25 minutes 
C) 4 minutes 
D) 3 minutes 
E) 8 minutes

Question 18

Services require a single activity or a series of activities and are identified by what term?

Accepted Answer

A) round 
B) step 
C) phase 
D) activity set 
E) facet 
A) round 
B) step 
C) phase 
D) activity set 
E) facet

Question 19

Assume you have a single channel, single server, and single phase queue. Mean arrival rate is 80/hr and system capacity is 100/hr. What is the average number of customers in the system?

Accepted Answer

A) 2 
B) 8 
C) 4 
D) 80 
E) 0 
A) 2 
B) 8 
C) 4 
D) 80 
E) 0

Question 20

Services require a single activity or a series of activities and are identified by the term phase.

Accepted Answer

A) True 
 B)False

5⁰ = ________?

Consider a single-server queuing system. If the arrival rate is 45 customers per hour and it takes 1 minute on average to serve a customer, what is the average waiting time in the waiting line in minutes?

Which of the following is least likely to be considered an infinite customer population?

Which of the following waiting line systems best describes a drive-through service at a fast-food restaurant, where the order is placed at the first service point, the order is paid for at the second service point, and the food is picked up at the third service point?

What are some variations of the mathematical waiting line models that are not described in Supplement C?

Which of the following is not considered to be a valid performance measure of a waiting line system?

Identify the three assumptions the textbook uses for the single-line, multi-server, single-phase model.

A customer population is called finite when the number of potential new customers is not affected by the number of customers already in the system.

Why do larger-scale waiting line systems use discrete-event simulation?

Waiting line models __ specifies the average number of customers per time period.

Which of the following is not an assumption of the waiting line models presented in the textbook?

Which of the following is not an assumption of the waiting line models presented in the textbook?

From an operations view point, single-phase systems operators must:

Which of the following is not considered to be an element of a waiting line system?

Which of the following is least likely to be considered an infinite customer population?

Changing from a multi-line model to a single-line model is most appropriate when the company is concerned about fairness for its customers.

Customers walk into a bank at an average rate of 20 per hour. On average, there are 5 people waiting in line to be served. How long does the average customer wait in line?

Services require a single activity or a series of activities and are identified by what term?

Assume you have a single channel, single server, and single phase queue. Mean arrival rate is 80/hr and system capacity is 100/hr. What is the average number of customers in the system?

Services require a single activity or a series of activities and are identified by the term phase.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Statistical Quality Control

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Master Scheduling and Rough-Cut Capacity Planning

Filters

Exam 18: Waiting Line Models

50 = ________?

Consider a single-server queuing system. If the arrival rate is 45 customers per hour and it takes 1 minute on average to serve a customer, what is the average waiting time in the waiting line in minutes?

Which of the following is least likely to be considered an infinite customer population?

Which of the following waiting line systems best describes a drive-through service at a fast-food restaurant, where the order is placed at the first service point, the order is paid for at the second service point, and the food is picked up at the third service point?

What are some variations of the mathematical waiting line models that are not described in Supplement C?

Which of the following is not considered to be a valid performance measure of a waiting line system?

Identify the three assumptions the textbook uses for the single-line, multi-server, single-phase model.

A customer population is called finite when the number of potential new customers is not affected by the number of customers already in the system.

Why do larger-scale waiting line systems use discrete-event simulation?

Waiting line models __________ ________ specifies the average number of customers per time period.

Which of the following is not an assumption of the waiting line models presented in the textbook?

Which of the following is not an assumption of the waiting line models presented in the textbook?

From an operations view point, single-phase systems operators must:

Which of the following is not considered to be an element of a waiting line system?

Which of the following is least likely to be considered an infinite customer population?

Changing from a multi-line model to a single-line model is most appropriate when the company is concerned about fairness for its customers.

Customers walk into a bank at an average rate of 20 per hour. On average, there are 5 people waiting in line to be served. How long does the average customer wait in line?

Services require a single activity or a series of activities and are identified by what term?

Assume you have a single channel, single server, and single phase queue. Mean arrival rate is 80/hr and system capacity is 100/hr. What is the average number of customers in the system?

Services require a single activity or a series of activities and are identified by the term phase.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Statistical Quality Control

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Master Scheduling and Rough-Cut Capacity Planning

Filters

5⁰ = ________?

Waiting line models __ specifies the average number of customers per time period.